Differential op-amp help

crutschow

Joined Mar 14, 2008
27,172
We don't do homework here, we help with homework, so please post your try at an answer.

Need to know what R3 is connected to.
 

Thread Starter

garycraw94

Joined Feb 22, 2021
2
Sorry i should have phrased my question correctly , R3 is connected to an Earth, this would make an inverting amplifier ? r1 and r2 are in parallel = total resistance to the negative 60kohms . Basically im not sure where to start? im not looking for an answer just an ask for help where to start . thanks
 
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